An anti-government protester clashes with riot police in Kiev&amp;#39;s Independence Square, the epicenter of the country&amp;#39;s current unrest, in Ukraine, Thursday, Feb. 20, 2014. Ukraine&amp;#39;s protest leaders and the president they aim to oust called a truce Wednesday, just hours after the military raised fears of a widespread crackdown with a vow to defeat &amp;quot;terrorists&amp;quot; responsible for seizing weapons and burning down buildings. (AP Photo/Sergei Chuzavkov)